144785345 has 32 divisors (see below), whose sum is σ = 198236160. Its totient is φ = 100869120.

The previous prime is 144785327. The next prime is 144785383. The reversal of 144785345 is 543587441.

It is not a de Polignac number, because 144785345 - 2⁶ = 144785281 is a prime.

It is a super-2 number, since 2×144785345² = 41925592253538050, which contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 59411 + ... + 61799.

It is an arithmetic number, because the mean of its divisors is an integer number (6194880).

Almost surely, 2^144785345 is an apocalyptic number.

It is an amenable number.

144785345 is a deficient number, since it is larger than the sum of its proper divisors (53450815).

144785345 is a wasteful number, since it uses less digits than its factorization.

144785345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2465.

The product of its digits is 268800, while the sum is 41.

The square root of 144785345 is about 12032.6782139306. The cubic root of 144785345 is about 525.0994157914.

The spelling of 144785345 in words is "one hundred forty-four million, seven hundred eighty-five thousand, three hundred forty-five".